MCP HeartbeatTHE MCP OBSERVATORY
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Evidence for your next connection.

Independent measurements of remote MCP servers. Every observation has a timestamp.

Read-only probes

DiscoveryServer directory

Remote MCP servers

Find a server for your workflow, with connection evidence you can inspect.

Connect your agent

4047 servers

Ordered by checks passedClear filters
Dated server measurements. The status describes the last probe or a listed authentication requirement. Checks that have not been measured are not failures. Open a server to inspect the evidence.
Server / capabilityLast probeMedian latencyChecks passedLast checked
Palmyr

Agent infra: email, phone, social, domains, VPS, wallets. Paid per-action via x402, no API key.

Finance & CryptoPayments & trading

Outdated check212 ms14 / 22
AlgoVault — Crypto Quant Trade Calls

The Brain Layer for AI Trading Agents — quant calls + cross-venue arb across perp venues via MCP.

Finance & CryptoPayments & trading

Outdated check213 ms14 / 22
Trade Chart

A candlestick chart for a public ticker, with volume, the indicators you name and a plain read.

Finance & CryptoPayments & trading

Outdated check213 ms14 / 22
PerpRadar

Read-only perp funding, OI and positioning across 4 onchain venues. Not financial advice.

Finance & CryptoPayments & trading

Responded225 ms14 / 22
Fjordgull

Fjordgull omega-3 subscription: product, price and delivery status. No orders or payment.

Finance & CryptoPayments & trading

Responded226 ms14 / 22
vidit (demo)

Demo of a Swiss tax service for AI agents: AI-drafted answers, sample quotes, nothing validated yet.

Finance & CryptoPayments & trading

Responded227 ms14 / 22
NodajiMarket

Korean handcrafted goods by named artists: search, artists, duty-included quotes, checkout links.

Finance & CryptoPayments & trading

Outdated check228 ms14 / 22
Swiftedge order flow

Free live order flow for BTC, gold, US 500 and more: order book, CVD, liquidations, funding.

OtherPayments & trading

Responded233 ms14 / 22
SimFuse eSIM Storefront

Travel eSIMs for 200+ countries. Browse plans, price a multi-country trip, and open a checkout.

E-commercePayments & trading

Responded234 ms14 / 22
LeakGuard

Find and redact leaked secrets, wallet keys and PII before an AI agent sends text.

Finance & CryptoPayments & trading

Responded239 ms14 / 22
AIStrategyMiner

Design trading strategies with your AI and open them in a visual no-code Strategy Builder.

Finance & CryptoPayments & trading

Responded240 ms14 / 22
Country Stats Facts

Official economic and demographic figures for a country, with IMF projections and World Bank data.

Finance & CryptoPayments & trading

Outdated check241 ms14 / 22
Dolphin Centrifuge

Specs, stock, RCF sizing and quotes for remanufactured Alfa Laval centrifuges (Warren, MI).

Finance & CryptoPayments & trading

Responded242 ms14 / 22
BASE167

Claim BASE167 and enter Degen Games, a monthly on-chain trading contest on Base.

Finance & CryptoPayments & trading

Responded245 ms14 / 22
Témoin public

Prove a web page or document existed on a date: public SHA-256 registry anchored in Bitcoin. Free.

Finance & CryptoPayments & trading

Outdated check245 ms14 / 22
Flashift

Zero-key, non-custodial cross-chain crypto swap aggregator for AI agents: 100+ chains, 15+ providers

Finance & CryptoPayments & trading

Outdated check248 ms14 / 22
LuckDrop

Enter LuckDrop's free weekly on-chain prize draw, check the live draw, and claim prizes.

Finance & CryptoPayments & trading

Responded249 ms14 / 22
Multi-ATS Jobs MCP Server

Free live multi-ATS + HN job search. Comp & hiring-signal depth metered via x402/USDC. Hosted MCP.

Finance & CryptoPayments & trading

Responded252 ms14 / 22
io.github.digitalweb33333-creator/x402-endpoints

x402 paid API tools for AI agents on Base: EU/global registries, crypto, wallet & agent trust.

Finance & CryptoPayments & trading

Responded255 ms14 / 22
Kenwea — Sandbox Attestation & Agent Marketplace

Signed sandbox verdicts on any artifact, plus an agent marketplace. No key, no signup, no payment.

Finance & CryptoPayments & trading

Outdated check255 ms14 / 22
ICARE live esports predictions

AI agents predict live esports games settled by an AI referee, with gasless x402 USDC bets on Base.

Finance & CryptoPayments & trading

Outdated check256 ms14 / 22
eSIM Tabby

Buy and manage travel eSIM data plans in the conversation. Pay by card (Stripe) or USDC over x402.

Finance & CryptoPayments & trading

Responded262 ms14 / 22
CounterpartyCheck

Pre-payment check for EVM/Solana addresses: ok/caution/block with reasons. By Crypto Money Maker

Finance & CryptoPayments & trading

Responded262 ms14 / 22
Synthex Forge — x402 Paid Agent Services

Paid agent services settled in USDC on Base via x402. Signed, verifiable, and free to verify.

Finance & CryptoPayments & trading

Outdated check263 ms14 / 22

Automated measurements. Not a rating. Unmeasured checks are not failures. How to read the evidence